GS75232 Multiple RS-232 Drivers & Receivers
Product Description
The GS75232 are monolithic device containing 3 independent drives and 5 receivers. These are designed to interface between date terminal equipment and date communication equipment as designed by EIA-232-D.
Features
n n
Meets standard EIA-232-D (Revision of RS-232-C) Drivers - Current Limited Output : 10 mA Typical - Power-off Output Impedance : 300 Ω Min - Slew Rate Control by Load Capacitor - Flexible Supply Voltage Range
DY1 DA1 VCC+ VCC
RA1
RY1
RA2
RY2
RA3
RY3
- Input Compatible with Most TTL and DTL Circuits
n
Receivers - Input Resistance : 3 kΩ to 7 kΩ - Input Signal Range : ± 30 V - Built-in Input Hysteresis (Double Threshold)
DY2
DA2
RA4
RY4
DY3
DA3
RA5
RY5
VCC -
GND
GS75232
Pin Description
Name VCC+ DA1 DA2 DA3 VCC RA1 RA2 RA3 RA4 RA5 Pin No 1 16 15 13 20 2 3 4 7 9 Function Driver Section Supply + Name VCCDY1 DY2 DY3 GND RY1 RY2 RY3 RY4 RY5 Pin No 10 5 6 8 11 19 18 17 14 12 Function Driver Section Supply Driver Output Ground
Driver Input Receiver Section Supply
Receiver Input
Receiver Output
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GS75232
GS75232
Globaltech Semiconductor
Representative Schematic Diagram
VCC+
8K2
6K2
DA
70 300 3K6
VCC
DY
2K
9K
5K
2K
DY
DA
10K 7K 70
4K 10K
VCC-
Driver
Receiver
Ordering Information
Device GS75232S GS75232SS GS75232TS “ F” means Lead Free part. *Request for other voltages, please contact factory directly. Package SOIC-20 SSOP-20 TSSOP-20
Absolute Maximum Ratings
Symbol VCC+ VCCVCC VI (Driver) VI (Reciver) VO (Driver) PT TSTG Top Parameter Supply Voltage Supply Voltage Supply Voltage Input Voltage Input Voltage Output Voltage Continuous Power Dissipation (Below 25 o C) Storage Temperature Operating Temperature Rating 15 -15 10 -15 to +7 ± 30 -15 to +15 1.0 -65 to +175 0 to +75 Unit V V V V V V W o C o C
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GS75232
GS75232
Globaltech Semiconductor
Electrical Characteristics
Supply Current (V CC = 5V, TA = 25 OC ) Symbol ICC+ Parameter Supply Current from VCC+ Test Condition VCC+ = 9 V VIN = 1.9V No Load VIN = 0.8V VCC+ = 12 V VIN = 1.9V No Load VIN = 0.8V VCC+ = 15 V VIN = 1.9V No Load VIN = 0.8V VCC- = - 9 V VIN = 1.9V No Load VIN = 0.8V VCC- = - 12 V VIN = 1.9V No Load VIN = 0.8V VCC- = - 15 V VIN = 1.9V No Load VIN = 0.8V VCC = 5 V VIN = 5.0V Min Max 15 4.5 19 5.5 25 9 -15 -3.2 -19 -3.2 -25 -3.2 30 Unit mA
ICC-
Supply Current from VCC-
mA
ICC
Supply Current from VCC
mA
Receiver Section Symbol V T+ VTParameter Positive-Going Threshold Voltage Negative-Going Threshold Voltage High Level Output Voltage Low Level Output Voltage High-Level Input Current Low-Level Input Current Short-Circuit Output Current Test Conditions Min 1.75 0.75 VI = 0.75V, IO L =- 0.5mA Input Open, IO L = - 0.5 mA VI = 3V, IO L = 10 mA VI = 25V VI = 3V VI = -25V VI = -3V 2.6 2.6 Max 2.25 1.25 5 V 5 V mA mA mA 0.45 3.6 8.3 0.43 -3.6 -8.3 -0.43 -3 (tip) Unit V V
VO H VO L IIH IIL IOS
Receiver Switching Characteristic (V CC= 5V) Symbol Parameter Test Conditions Propagation Delay Time, CL = 15 ρ F tPLH Low-To-High-Level Output RL = 3.9 kΩ Propagation Delay Time, CL = 15 ρ F tPHL High -To- Low -Level Output RL = 390 kΩ Transition Time, CL = 15 ρ F tTLH Low-To-High-Level Output RL = 3.9 kΩ Transition Time, CL = 15 ρ F tTHL High -To- Low -Level Output RL = 390 kΩ
Min -
Max 150 50 175 20
Unit ns ns ns ns
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GS75232
GS75232
Globaltech Semiconductor
Driver Section Symbol VIH VIL Parameter High Level Input Voltage Low Level Input Voltage High Level Output Voltage Test Conditions VCC+ = 9 V VCC- = - 9 V Min 1.9 VIL = 0.8V RL = 3 kΩ VCC+ = 9 V VCC- = - 9 V VCC+ = 13.2 V VCC- = - 13.2 V VCC+ = 9 V VCC- = - 9 V VCC+ = 13.2 V VCC- = - 13.2 V 6 9 -6 Max 0.8 -6 -9 10 - 1.6 -12 µA mA mA V Unit V V V
VO H
VO L
Low Level Output Voltage High Level Input Current Low Level Input Current Short Circuit Output Current at High Level Short Circuit Output Current at Low Level Output Resistance, Power Off
VIH = 1.9V RL = 3 kΩ VI = 5V VI = 0 VI = 0.8V VO = 0 VI = 1.9V VO = 0
IIH IIL IOS(H)
IOS(L) RO
6 300
12 -
mA Ω
VCC+ = 0, VCC- = 0 VO = - 2V to 2V
Driver Switching Characteristic (V CC+ = 9V, V CC- = -9V TA = 25 OC) Parameter Test Conditions Min Max Unit Propagation Delay Time, ns 500 Low-To-High-Level Output tPHL Propagation Delay Time, ns 175 High -To- Low -Level Output RL = 3 kΩ tTLH Transition Time, CL = 15 µF 100 ns Low-To-High-Level Output See Figure 1 * tTHL Transition Time, 75 ns High -To- Low -Level Output* tTLH Transition Time, 2.5 µs Low-To-High-Level (tip) RL = 3 kΩ to 7 kΩ Output** CL = 2500 ρ F tTHL Transition Time, See Figure 1 3.0 µs High-To-Low -Level (tip) Output** * - Measured between 10 % and 90 % Points of Output Waveform ** - Measured between +3V and -3V Points on the Output Waveform (EIA-232-D Condition) Symbol tPLH
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GS75232
GS75232 Receiver Section Symbol Parameter Positive-Going V T+ Threshold Voltage Negative-Going VTThreshold Voltage VO H VO L IIH IIL IOS High Level Output Voltage Low Level Output Voltage High-Level Input Current Low-Level Input Current Short-Circuit Output Current (VCC = 5V) Test Conditions CL RL CL RL CL RL CL RL = = = = = = = = 15 ρ F 3.9 kΩ 15 ρ F 390 kΩ 15 ρ F 3.9 kΩ 15 ρ F 390 kΩ
Globaltech Semiconductor
Test Conditions
Min 1.75 0.75
Max 2.25 1.25 5
Unit V V
VI = 0.75V, IO L =- 0.5mA Input Open, IO L = - 0.5 mA VI = 3V, IO L = 10 mA VI = 25V VI = 3V VI = -25V VI = -3V
2.6 2.6
V 5 V mA mA mA 0.45 3.6 8.3 0.43 -3.6 -8.3 -0.43 -3 (tip)
Receiver Switching Characteristic Symbo Parameter l Propagation Delay Time, tPLH Low-To-High-Level Output Propagation Delay Time, tPHL High -To- Low -Level Output Transition Time, tTLH Low-To-High-Level Output Transition Time, tTHL High -To- Low -Level Output
Min -
Max 150 50 175 20
Unit ns ns ns ns
Typical Performance Characteristics
10ns
DRIVER
PULSE GENERATOR (See Note A) RL CL 1.5V OUTPUT INPUT 1.5V
3V 0V
tPLH
OUTPUT 50%
tPLH
VOH 50% VOL
tTHL
tTLH
Voltage Waveform RECEIVER
OUTPUT RL PULSE GENERATOR (See Note A) CL INPUT 10ns 90% 10% 50% 90% 3V 50% 10% 0V VOH 1.5V 1.5V VOL
tPLH
OUTPUT
tPLH
tTHL
tTLH
Tw=20us, Voltage Waveform
A. The pulse generator has the following characteristics. f = 200 KHz, ZO = 50 Ω B. C included probe and jig capacitance. C. All diodes are 1N3064 or equivalent. Fig1. Propagation and Transition Times Note
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GS75232
GS75232
Globaltech Semiconductor
Applications Information
+5V UART
+12V
DCD DSR S IN RTS S OUT 8 4 CTS DTR RI 9 5 1 6 2 7 3
RS-232 DB-9 Connector SIO Card -12V
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GS75232
GS75232
Globaltech Semiconductor
Package Dimensions
SOIC-20L
D
θ1 θ2
+ E R1 R GAUGE PLANE L2
E1/2
E/2
E1
L θ1 L1
θ
PIN 1 MARKING e b c h
A A2 A1
Dimensions
SYMBOL A A1 A2 b b1 c D E E1 e L L1 L2 R R1 h u u1 u2 MIN 2.35 0.10 2.05 0.31 0.27 0.20 0.40 0.07 0.07 0.25 08 58 08 Millimeters TYP 12.80 10.30 7.50 1.27 1.40 0.25 MAX 2.65 0.30 2.55 0.51 0.48 0.33 1.27 0.75 88 158 -
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GS75232
GS75232
Globaltech Semiconductor
SSOP-20L
D
E/2 E1/2 E1 E
R
GAUGE PLANE
L
PIN 1 MARKING e b
L1
θ
SEATING PLANE
L2
A A2 A1
c
Dimensions
SYMBOL A A1 A2 b c D E E1 e L L1 L2 R u Millimeters MIN MAX 2.0 0.05 1.65 1.85 0.22 0.38 0.09 0.25 6.90 7.50 7.40 8.20 5.00 5.60 0.65 (TYP) 0.55 0.95 1.25 (TYP) 0.25 (TYP) 0.09 08 88 Inches MIN MAX .078 .002 .065 .073 .008 .015 .003 .010 .271 .295 .290 .323 .197 .220 .026 (TYP) .021 .037 .050 (TYP) .010 (TYP) .003 08 88
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GS75232
GS75232
Globaltech Semiconductor
TSSOP-20L
e
20
11
E/2
θ2
E1 E +
S R1 R GAUGE PLANE
PIN 1 MARKING 123 e/2 D A A2 A1 c b 10
L θ3 L1
θ1
L2
Dimensions
SYMBOL A A1 A2 b b1 c D E E1 e L L1 R R1 S u1 u2 u3 MIN 0.05 0.80 0.19 0.19 0.09 6.40 4.30 0.45 0.09 0.09 0.20 08 Millimeters TYP 1.00 0.22 6.50 6.40 4.40 0.65 0.60 1.00 128 128 MAX 1.20 0.15 1.05 0.30 0.25 0.20 6.60 4.50 0.75 88 -
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GS75232
GS75232
Globaltech Semiconductor
Notice
Information furnished is believed to be accurate and reliable. However Globaltech Semiconductor assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Globaltech Semiconductor. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information without express written approval of Globaltech Semiconductor.
(Revise Date:2005/10/26 Version_A1)
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GS75232
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